Heel support device



FIG. 1 is a perspective view of a heel support device showing my new design;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a right elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a front elevation view thereof.

The dashed lines are included for the purpose of illustrating portions of the heel support device that form no part of the claimed design.

The dash-dot-dash broken lines represent the bounds of the claimed design and form no part of the claimed design. 

CLAIM The ornamental design for a heel support device, as shown and described. 